content/renderer/render_process_impl.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_RENDERER_RENDER_PROCESS_IMPL_H_
#define CONTENT_RENDERER_RENDER_PROCESS_IMPL_H_

#include <memory>
#include <vector>

#include "base/macros.h"
#include "base/task/thread_pool/thread_pool.h"
#include "content/renderer/render_process.h"

namespace content {

// Implementation of the RenderProcess interface for the regular browser.
// See also MockRenderProcess which implements the active "RenderProcess" when
// running under certain unit tests.
class RenderProcessImpl : public RenderProcess {
 public:
  ~RenderProcessImpl() override;

  // Creates and returns a RenderProcessImpl instance.
  //
  // RenderProcessImpl is created via a static method instead of a simple
  // constructor because non-trivial calls must be made to get the arguments
  // required by constructor of the base class.
  static std::unique_ptr<RenderProcess> Create();

  // RenderProcess implementation.
  void AddBindings(int bindings) override;
  int GetEnabledBindings() const override;

  // Do not use these functions.
  // The browser process is the only one responsible for knowing when to
  // shutdown its renderer processes. Reference counting to keep this process
  // alive is not used. To keep this process alive longer, see
  // mojo::KeepAliveHandle and content::RenderProcessHostImpl.
  void AddRefProcess() override;
  void ReleaseProcess() override;

 private:
  RenderProcessImpl(
      std::unique_ptr<base::ThreadPool::InitParams> thread_pool_init_params);

  // Bitwise-ORed set of extra bindings that have been enabled anywhere in this
  // process.  See BindingsPolicy for details.
  int enabled_bindings_;

  DISALLOW_COPY_AND_ASSIGN(RenderProcessImpl);
};

}  // namespace content

#endif  // CONTENT_RENDERER_RENDER_PROCESS_IMPL_H_